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Find more Sean relatives and grow your tree by exploring billions of historical records. Taken every decade since 1790, the U.S. Federal Census can tell you a lot about your family. For example, from 1930 to 1940 there were 435 more people named Sean in the United States — and some of them are likely related to you.

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Create, build, and explore your family tree.

What if you had a window into the history of your family? With historical records, you do. From home life to career, records help bring your relatives' experiences into focus. There were 154 people named Sean in the 1930 U.S. Census. In 1940, there were 282% more people named Sean in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 589 people named Sean were living in the United States. In a snapshot:

  • 564 rented out rooms to boarders
  • For 286 females, Dorothy was the most common name
  • 56%, or 87 people, lived in homes they rented
  • 25 were disabled

Learn where they came from and where they went.

As Sean families continued to grow, they left more tracks on the map:

  • Most immigrants originated from Russia
  • 24% were first-generation Americans
  • 17 were born in foreign countries
  • Most fathers originated from New York